Home / 11,739,031.40-17,608,547.10-8,085,866.60

Finding the Fourth Proportional to 11,739,031.40, 17,608,547.10 and 8,085,866.60

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Solution

The fourth proportional to 11,739,031.40, 17,608,547.10 and 8,085,866.60 is: 12,128,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739,031.40 : 17,608,547.10 = 8,085,866.60 : x
  2. Step 2: Convert to fraction form
    11,739,031.40/17,608,547.10 = 8,085,866.60/x
  3. Step 3: Cross multiply
    11,739,031.40x = 17,608,547.10 × 8,085,866.60
  4. Step 4: Simplify right side
    11,739,031.40x = 142,380,362,870,416.88
  5. Step 5: Solve for x
    x = 142,380,362,870,416.88/11,739,031.40
  6. Step 6: Final answer
    x = 12,128,799.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.